Home / 10,193.79-14,066.96-5,716.65

Finding the Fourth Proportional to 10,193.79, 14,066.96 and 5,716.65

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Solution

The fourth proportional to 10,193.79, 14,066.96 and 5,716.65 is: 7,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.79 : 14,066.96 = 5,716.65 : x
  2. Step 2: Convert to fraction form
    10,193.79/14,066.96 = 5,716.65/x
  3. Step 3: Cross multiply
    10,193.79x = 14,066.96 × 5,716.65
  4. Step 4: Simplify right side
    10,193.79x = 80,415,858.30
  5. Step 5: Solve for x
    x = 80,415,858.30/10,193.79
  6. Step 6: Final answer
    x = 7,888.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.